Nodules in the liver usually means scarring in the liver after liver injury, which is formed due to proliferation of fibrous tissue in the liver and disturbance of hepatic trabecular arrangement caused by various factors, and the imaging manifestation is nodules. If there are nodules in the liver, it is necessary to go to the hospital for further examination to find out whether there is chronic liver disease in the liver, such as hepatitis virus testing, to check whether there is viral hepatitis such as hepatitis B and hepatitis C. In addition, the patient has no alcohol consumption, drug use, or other health problems. In addition, the patient has no history of alcohol consumption, medication use, autoimmune problems, familial diseases, or chronic medication use, all of which are causes of liver damage. If there is chronic liver disease, it is important to have regular checkups to know the stage of the disease based on the checkups and different treatments according to the different stages. In addition, there is a possibility that nodules in the liver may turn malignant, and malignant nodules can seriously affect survival time. Therefore, when patients have nodules in the liver, they should go to the hospital for examination in time, and after clarifying the cause of the disease, they should be treated accordingly under the guidance of doctors.